Oregon 49-036 Float Valve and Seal Kit Replacement for Briggs & Stratton 398188 For Max & Quantum series engines Fits Walbro carburetors Used on Briggs models 83400, 90700, 91700, 93452, 99700, 111700, 114700, 121700, 12G700, 12G800, 133700, & 135700 series engines